/*
 *
 * (c) Copyright Ascensio System Limited 2010-2018
 *
 * This program is freeware. You can redistribute it and/or modify it under the terms of the GNU 
 * General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html). 
 * In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that 
 * Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
 *
 * THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
 * FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
 *
 * You can contact Ascensio System SIA by email at sales@onlyoffice.com
 *
 * The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display 
 * Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
 *
 * Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains 
 * relevant author attributions when distributing the software. If the display of the logo in its graphic 
 * form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE" 
 * in every copy of the program you distribute. 
 * Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
 *
*/


using System;
using System.Collections.Generic;
using System.Runtime.Serialization;
using ASC.Core;
using ASC.Core.Users;

namespace ASC.Web.Core.Calendars
{
    public class SharingOptions : ICloneable
    {
        [DataContract(Name = "PublicItem")]
        public class PublicItem
        {
            public Guid Id { get; set; }
            public bool IsGroup { get; set; }
        }

        public bool SharedForAll { get; set; }

        public List<PublicItem> PublicItems { get; set; }

        public SharingOptions()
        {
            this.PublicItems = new List<PublicItem>();
        }

        public bool PublicForItem(Guid itemId)
        {
            if (SharedForAll)
                return true;

            if(PublicItems.Exists(i=> i.Id.Equals(itemId)))
                return true;

            var u = CoreContext.UserManager.GetUsers(itemId);
            if(u!=null && u.ID!= ASC.Core.Users.Constants.LostUser.ID)
            {
                var userGroups = new List<GroupInfo>(CoreContext.UserManager.GetUserGroups(itemId));
                userGroups.AddRange(CoreContext.UserManager.GetUserGroups(itemId, Constants.SysGroupCategoryId));
                return userGroups.Exists(g => PublicItems.Exists(i => i.Id.Equals(g.ID)));
            }

            return false;
        }

        #region ICloneable Members

        public object Clone()
        {
            var o = new SharingOptions();
            o.SharedForAll = this.SharedForAll;
            foreach (var i in this.PublicItems)            
                o.PublicItems.Add(new PublicItem() { Id = i.Id, IsGroup = i.IsGroup });
            
            return o;
        }

        #endregion
    }

   
}
